How to compare a string in ASCII to another one in Unicode?

//+------------------------------------------------------------------+
//|                              CompareStringsInASCIIandUNICODE.mq4 |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
void OnInit(){
   EventSetTimer(2);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason){
   EventKillTimer();
}  
//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer(){  
   CompareItBuddy();  
}
//////////////////////////////////////////////////
string AsciiToUnicode(uchar& ascii_chars[]){
   string unicode_string = "";
   for(int i = 0; i < ArraySize(ascii_chars); i++){
      unicode_string += (string)ascii_chars[i];
   }
   return unicode_string;
}
void CompareItBuddy(){
   string unicode_string_1 = "Hello, World!";
   uchar ascii_chars_2[] = {'H', 'e', 'l', 'l', 'o', ',', ' ', 'W', 'o', 'r', 'l', 'd', '!'};
   // Convert the ASCII character array to a Unicode string
   string unicode_string_2 = AsciiToUnicode(ascii_chars_2);
   // Now compare the two Unicode strings
   if(unicode_string_1 == unicode_string_2){
      Print("The 2 strings are identical!");
   }
   else{
      Print("The 2 strings are different.");
   }
}

Quoting aPhong

Disliked

...But it is kind of weird 'cause I tried it a few times in the morning but somehow it didn't work...

Ignored

Quoting emmzett

Disliked

{quote} Simply casting ANSI characters to their Unicode counterparts only works for plain latin characters. For everything else it will fail. You can use my conversion functions as a guide line for converting strings between ANSI, UTF-8 and UTF-16. For C++ standard strings: Encoding conversion in C++ For C strings as in MetaTrader: ANSI to Unicode...

Ignored